* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.button {
    text-align: center;
    font-size: 1.1em;
    color: white;
    line-height: 2em;
    overflow: hidden;
    margin-left: 10%;
    margin-top: 10%;
    width: 100px;
    height: 40px;
    background-color: rgb(0, 85, 255);
    box-shadow: 0 1px 6px #636363;
    cursor: pointer;
    transition: .1s;
}

.button:active {
    box-shadow: 0 2px 8px #636363;
    background-color: rgba(2, 86, 255, 0.79);
}

.animation {
    width: 1px;
    height: 1px;
    margin-left: -1px;
    margin-top: -1px;
    border-radius: 50%;
    background-color: rgb(220, 212, 255);
    opacity: 0;
}

.rev {
    width: 1px;
    height: 1px;
    margin-left: -1px;
    margin-top: -1px;
    border-radius: 50%;
    background-color: rgb(0, 85, 255);
    opacity: 0;
}

